fix(controller): 直角计算（垂直）修正

pages/formula/rightAngleVertical.vue

@@ -73,7 +73,7 @@
                 this.formData.dikuan = parseFloat(this.formData.dikuan)
                 if(this.formData.biangao && this.formData.dikuan){
                     this.rules.result1.value = this.formData.biangao + this.formData.dikuan * 0.5;
-                    this.rules.result2.value = this.formData.dikuan * 0.707;
+                    this.rules.result2.value = this.formData.dikuan * this.$util.sin(45);
                 }else{
                     this.$u.toast('请输入两个参数');
                 }